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Diffstat (limited to 'qga/commands.c')
-rw-r--r--qga/commands.c26
1 files changed, 26 insertions, 0 deletions
diff --git a/qga/commands.c b/qga/commands.c
index 4471a9f08d..5611117372 100644
--- a/qga/commands.c
+++ b/qga/commands.c
@@ -18,6 +18,7 @@
#include "qemu/base64.h"
#include "qemu/cutils.h"
#include "qemu/atomic.h"
+#include "commands-common.h"
/* Maximum captured guest-exec out_data/err_data - 16MB */
#define GUEST_EXEC_MAX_OUTPUT (16*1024*1024)
@@ -547,3 +548,28 @@ error:
g_free(info);
return NULL;
}
+
+GuestFileRead *qmp_guest_file_read(int64_t handle, bool has_count,
+ int64_t count, Error **errp)
+{
+ GuestFileHandle *gfh = guest_file_handle_find(handle, errp);
+ GuestFileRead *read_data;
+
+ if (!gfh) {
+ return NULL;
+ }
+ if (!has_count) {
+ count = QGA_READ_COUNT_DEFAULT;
+ } else if (count < 0 || count >= UINT32_MAX) {
+ error_setg(errp, "value '%" PRId64 "' is invalid for argument count",
+ count);
+ return NULL;
+ }
+
+ read_data = guest_file_read_unsafe(gfh, count, errp);
+ if (!read_data) {
+ slog("guest-file-write failed, handle: %" PRId64, handle);
+ }
+
+ return read_data;
+}